.left_ad {
  .adimg_box {
    position: relative;
    width: 234px;
    margin-bottom: 14px;

    .ad_img {
      position: absolute;
      top: 0;
      left: 0;
      transition: all 0.3s;
      width: 100%;
      height: 100%;
      cursor: pointer;

      &:hover {
        @include shadow;
      }
    }
  }

  .adimg_box1 {
    height: 614px;
  }

  .adimg_box2 {
    height: 300px;
    display: flex;
    flex-wrap: wrap;
  }
}